Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
kang hari » dang hai, kang han
yan yuan » yan guan, fang yuan, nan yan
qian yan » qian jun, qian yi
tan yang » dan yang, tan ying, tan yong
di kang » xi kang, jin kang
wang » wing, wan, lang

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((((yan yuan) OR (yang guang))) OR (qian yan)) tan yang di kang hari ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan ((((yan yuan) or (yang guang))) or (qian yan)) tan yang di kang hari ;*.